Elena's aunt bought her a $150 savings bond when she was born. When Elena is 20 years old, the bond will have earned 105% in interest. How much will the bond be worth when Elena is 20 years old?

$307.5
Step-by-step explanation:
Here, Elena's aunt bought her a $150 savings
bond when she was born.
That is, the initial amount = $150
And, When Elena is 20 year old, the bond will
have earned 105% in interest.
Therefore, The bond be worth when Elena is
20 years old,A = 150 + 150x105
#A= $307.5
Therefore, after 20 years the the bond
worth $307.5.

(Hope this helped!!)